US1031637A - Gripping device for rods, tubes, and the like. - Google Patents

Gripping device for rods, tubes, and the like. Download PDF

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Publication number
US1031637A
US1031637A US34727006A US1906347270A US1031637A US 1031637 A US1031637 A US 1031637A US 34727006 A US34727006 A US 34727006A US 1906347270 A US1906347270 A US 1906347270A US 1031637 A US1031637 A US 1031637A
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Prior art keywords
grippers
gripping
movement
gripping device
tubes
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Expired - Lifetime
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US34727006A
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Max H Fischer
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B9/00—Hand-held gripping tools other than those covered by group B25B7/00
    • B25B9/02—Hand-held gripping tools other than those covered by group B25B7/00 without sliding or pivotal connections, e.g. tweezers, onepiece tongs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/46—Pin or separate essential cooperating device therefor
    • Y10T24/4604—Pin or separate essential cooperating device therefor having distinct guiding, holding, or protecting means for penetrated portion
    • Y10T24/4605—Means detachable from or flaccidly connected to pin [e.g., hatpin type]
    • Y10T24/4609—Means detachable from or flaccidly connected to pin [e.g., hatpin type] including relatively movable guiding, holding, or protecting components or surfaces
    • Y10T24/4611—Means detachable from or flaccidly connected to pin [e.g., hatpin type] including relatively movable guiding, holding, or protecting components or surfaces having operator for moving holding component or surface
    • Y10T24/4614—Moves slidably guided, nonself-biasing, holding component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17128—Self-grasping
    • Y10T279/17171—One-way-clutch type
    • Y10T279/17188—Side detent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32426—Plural distinct positions

Definitions

  • My invention relates to gripping or clutching devices and especially to a device which is'designed for automatically interlocking two parts atany suitable point of adjustment when the same are moved lengthwise relative to each other.
  • my invention I produce a quick-acting gripping device which will so interlock or which may be con structed so as to interlock in either direction desired, and which will be compara tively simple, durable and cheap, and which can be easily andquickly manipulated from i a suitable place, while permitting the gripping mechanism to be entirely inclosed, thus leaving no open space for the accumulation of dust and dirt.
  • Figure 1 is a longitudinal section of'my improved device, the inclosingv casing and operating stem being partially broken away;
  • Fig. 2 is a similar section'of a modified form showing the device gripping against movement in one direction only
  • Fig. 3 is a longitudinal section of another modified form;
  • Fig. 61 is a crosssection on the line 4.-4 Fig. 2;
  • Fig. 5 is a cross-sectionon the line 5-5
  • Fig. Fig. 6 is a partial section on an enlarged scale;
  • Fig. 7 is another partial section on an enlarged scale;
  • Fig. 8 is a modification on an enlarged scale;
  • Fig. 9 is an elevation of another modification of my device, the casing partly broken 7 section on the'line 9-9. of Fig. 9;
  • Fig. 11 is a cross-section on the line 11-11 of Fig. 10;
  • Fig. 12 is another modification.
  • A represents the rod or other member to be'gripped'
  • B represents a casing, which is preferably in the form of a hollow cylinder and is provided with internal conical faces G, which taper toward the hole or bore Z) wh1ch hole F or bore preferably extends from end to end of the casing diameter'throughout its length.
  • the oomcal B and is of the same size or Specification of Letters Patent.
  • Fig. 10 is a large to permit them to fall out.
  • faces 0 are not essential, as one or more in- V clined faces will serve the purpose.
  • D indicates rolling grippers which ride upon the conical faces C and are interposed between the member'to be gripped and said conical faces.-
  • the number and shape of the gripping devices may be varied, three balls or spheres riding on each of the inclined faces being preferred, as illustrated in the forms of the device shown in Figs. 1 to 8 inclusive.
  • an operating stem preferably in the form of an intervening tube or tubular sleeve, which slides in the hole or bore 6 of- -the casing and preferably extends beyond both ends thereof.
  • Each end of this intervening tube or sliding sleeve is provided with a knob or handle F which, besides its usual function, acts as a stop for limiting the sliding movement of the said operating stem E with relation. to the casing B. More than one knob is-not desirable in some cases and the knob at either or both ends may be dispensed with, any suitable stop for limiting the movement of the stem being substituted.
  • Said operating stem E is afso provided with apertures G of such size and so placed that the grippers E will be permitted to impinge against the member to be gripped when the operating stem is in one position and that the endwise edges 9 of said apertures will .slide in between the grippers and the member to be gripped, roll back said grippers out of gri ping contact, and finally result in cutting o the said grippers when said 0perating stem is moved to its other position.
  • the apertures shown in Figs. 1, 3, 6 and 7 are in the form of longitudinally disposed slots. long enough to accommodate opposite grippers, while in Figs. 2 and 8 separate holes for eachgri-pper are shown.
  • apertures are preferably of a size sufiicientlyf large to permit the grippers to protrude and freely to grip or impinge, but not sufficiently H indicates spring pressed washers or plungers which abut against the rolling grippers at one side and normally force said grippers toward the narrow end. of the conical faces C.
  • any suitable spring may be employed for this purpose, the spiral spring J being shown arranged around the operating stem.
  • Fig. 2 shows a modification of the device interlocking against movement in one direction only. The operation is substantially the same as that described above.
  • FIG. 3 anothermodification is shown in which the conical faces on which the rolling grippers ride are formedin the member A instead. of in the outer member and is designed to grip the inside of a tube or other hollow member.
  • the knob F is engaged'and pulled, whereupon the tube may be withdrawn.
  • Figs. 9, 10 and 11 show a slight modification of the device in which the member .to be gripped and the casing are rectangular in cross-section.
  • the casing B is provided with inclined faces C between which and the member to be gripped are interposed rollers D instead of balls, and the intervening member is a plate E Knobs are provided at only one end of this modification, a shoulder e reciprocating in a recess 6 formed in the bore of the casing acting as a stop to limit the relative movement of the plate to the casing in one di- H indicate spring-pressed plungers, which abut against the rollers and normally force them toward the narrowend F 'g. 12 illustrates another modification in which the wedges D are substituted for the balls or rollers of the other constructions.
  • sleeve movable longitudinally of said members having a beveled-edgev elongated aperture contiguous to each of-the gripping devices the edge of such apertures being adapted upon movement in opposite directions alternatelyto' intervene between the gripping devices and the movable member whereby the gripping device on one incline will be removed out of contact'with the movable member while the gripping device on the opposite incline remains in gripping contact.
  • witness whereof I have signed 'my name to the foregoingspecification in the presence of two subscribing witnesses.

Description

M. H. FISCHER.
GRIPPING DEVICE FOR RODS, TUBES, AND THE LIKE.
APPLICATION FILED Bil 0.11, 1906.
Patented July 2, 1912.
3 SHEETS-SHEET 1.
ATTORN EY I n 1 I I I I I 1 1 I 1 I I I I I I I I I I n I M. H. FISCHER. GBIPIING DEVICE FOB. BODS, TUBES, AND THE LIKE.
" APPLICATION IILED ,DEO.'11, 1906.
' Patented July 2, 1912.
3 REEVES-SHEET 2.
II? all?) i e7- ATTORNEY ITNESSES:
M. H. FISCHER; V GB-IPPING DEUCE FOB RODS, TUBES, AND T HB LIKE.
APPLICATION FILED DEO.11, 1906.
I Fig-.9.
Patnted July 2, 1912..
- 3 SHEETS-BHEBT 3.
Fi/g: 10.
V in one direction only,
Nrrn STA MAX H. FISCHER, OF EAST ORANGE, NEW JERSEY.
GRIPPING DEVICE FOR RODS, TUBES, AND THE LIKE.
To all whomit may concern:
Be it knownthat I, MAX H. FISCHER, a citizen of the United States, residing at East Orange, in the county of Essex and State,of New Jersey, have invented certain new and useful Improvements in Gripping Devices for Rods, Tubes, and the Like, of which the following is a specification.
My invention relates to gripping or clutching devices and especially to a device which is'designed for automatically interlocking two parts atany suitable point of adjustment when the same are moved lengthwise relative to each other.
By my invention I produce a quick-acting gripping device which will so interlock or which may be con structed so as to interlock in either direction desired, and which will be compara tively simple, durable and cheap, and which can be easily andquickly manipulated from i a suitable place, while permitting the gripping mechanism to be entirely inclosed, thus leaving no open space for the accumulation of dust and dirt.
Similar letters of reference refer to similar parts throughout the drawings.
In the accompanying drawings, Figure 1 is a longitudinal section of'my improved device, the inclosingv casing and operating stem being partially broken away; Fig. 2 is a similar section'of a modified form showing the device gripping against movement in one direction only Fig. 3 is a longitudinal section of another modified form; Fig. 61 is a crosssection on the line 4.-4 Fig. 2; Fig. 5 is a cross-sectionon the line 5-5 Fig. Fig. 6 is a partial section on an enlarged scale; Fig. 7 is another partial section on an enlarged scale; Fig. 8 is a modification on an enlarged scale; Fig. 9 is an elevation of another modification of my device, the casing partly broken 7 section on the'line 9-9. of Fig. 9; Fig. 11 is a cross-section on the line 11-11 of Fig. 10; and Fig. 12 is another modification.
.In the drawings, A represents the rod or other member to be'gripped' B represents a casing, which is preferably in the form of a hollow cylinder and is provided with internal conical faces G, which taper toward the hole or bore Z) wh1ch hole F or bore preferably extends from end to end of the casing diameter'throughout its length. The oomcal B, and is of the same size or Specification of Letters Patent.
having away; Fig. 10 is a large to permit them to fall out.
\ Patented July 2, 1912.
Application filed December 11, 1906. Serial No. 347,270.
faces 0 are not essential, as one or more in- V clined faces will serve the purpose.
. D indicates rolling grippers which ride upon the conical faces C and are interposed between the member'to be gripped and said conical faces.- The number and shape of the gripping devices may be varied, three balls or spheres riding on each of the inclined faces being preferred, as illustrated in the forms of the device shown in Figs. 1 to 8 inclusive.
E is an operating stem, preferably in the form of an intervening tube or tubular sleeve, which slides in the hole or bore 6 of- -the casing and preferably extends beyond both ends thereof. Each end of this intervening tube or sliding sleeve is provided with a knob or handle F which, besides its usual function, acts as a stop for limiting the sliding movement of the said operating stem E with relation. to the casing B. More than one knob is-not desirable in some cases and the knob at either or both ends may be dispensed with, any suitable stop for limiting the movement of the stem being substituted.
, Said operating stem E is afso provided with apertures G of such size and so placed that the grippers E will be permitted to impinge against the member to be gripped when the operating stem is in one position and that the endwise edges 9 of said apertures will .slide in between the grippers and the member to be gripped, roll back said grippers out of gri ping contact, and finally result in cutting o the said grippers when said 0perating stem is moved to its other position. The apertures shown in Figs. 1, 3, 6 and 7 are in the form of longitudinally disposed slots. long enough to accommodate opposite grippers, while in Figs. 2 and 8 separate holes for eachgri-pper are shown. When more than one set of grippers, opcrating upon divergent or convergent coni- 6, 7 and 8, the endwise edges g of the apertures G will be solocated as to permit the grippers riding upon one inclined or conical face to impinge or grip while simultaneously cutting off the grippers riding upon the opposite inclined or conical face. "These cal faces are employed, as shown in Figs. 1,
apertures are preferably of a size sufiicientlyf large to permit the grippers to protrude and freely to grip or impinge, but not sufficiently H indicates spring pressed washers or plungers which abut against the rolling grippers at one side and normally force said grippers toward the narrow end. of the conical faces C. These washers, however,
are not essential as the spring or springs may be made to abut against the grippers directly. Any suitable spring may be employed for this purpose, the spiral spring J being shown arranged around the operating stem.
The operation of the device is as follows: Assuming the parts to be in the positions shown in Figs. 1 and 6, the member A is locked against movement in either direction. When the knob at one endis pulled, or the knob at the other'end is pushed, the edges 9 at one end of the apertures G slide in between the rolling grippers and the member A, rolls said grippers back into the wider space on the conical face, finally cutting off contact between the grippers at one end of the device and the member A, whereupon the member A may be moved in the direction opposite to that in which the operating stem is pushed or pulled, while it remains interlocked against movement in the other direction. Thus in Fig. 7 the operating stem is shown'as pushed or pulled downward and the member A released against upward movement but locked against downward movement. To move the member A in the opposite direction, it is only necessary to again manipulate the operating stem to rection.
the position shown in Fig. 8, when the member A may be freely moved downward but not upward.
Fig. 2 shows a modification of the device interlocking against movement in one direction only. The operation is substantially the same as that described above.
- In Fig. 3 anothermodification is shown in which the conical faces on which the rolling grippers ride are formedin the member A instead. of in the outer member and is designed to grip the inside of a tube or other hollow member. When it is desired to withdraw the tube, the knob F is engaged'and pulled, whereupon the tube may be withdrawn.
Figs. 9, 10 and 11 show a slight modification of the device in which the member .to be gripped and the casing are rectangular in cross-section. In said figures, the casing B is provided with inclined faces C between which and the member to be gripped are interposed rollers D instead of balls, and the intervening member is a plate E Knobs are provided at only one end of this modification, a shoulder e reciprocating in a recess 6 formed in the bore of the casing acting as a stop to limit the relative movement of the plate to the casing in one di- H indicate spring-pressed plungers, which abut against the rollers and normally force them toward the narrowend F 'g. 12 illustrates another modification in which the wedges D are substituted for the balls or rollers of the other constructions.
What I claim and desire to secure by Letters Patent, is:
1. The combination of two members, one being tubular and the other extending within the same, one of said members being movable longitudinally with respect to the other, and the relatively non-movable member having an inclined surface, a gripping device for'engaging the inclined surface and an opposing surface on the movable member; a spring for normally pressing the gripping device into contact with said surfaces and a sleeve movable longitudinally of the non-movable member and having a beveled edge adapted upon longitudinal movement to intervene between the gripping device and the movable member, whereby the gripping device is moved laterally and longitudinally at the beginning of movement. of the same to release the movable member.
2. The combination with a tubular member of another member arranged within the same-one member being movable longitudinally with regard to the other, an inment thereof in either direction, and operating'means adapted upon alternate movement in opposite directions alternately to release each of the gripping devices to permit movement of the movable member alternately in one direction but not in the other.
3. The combination of two members, one being tubular and the other extending within the san1eone member being movable longitudinally with respect to the other, and the relatively non-movable member being provided with oppositely inclined surfaces, a gripping device arranged intermediate each inclined surface and the surface of the other member; means adapted normally to maintain each of said gripping devices in engagement with the movable membet to prevent movement in either direction,
and operating means consisting of a sleeve movable longitudinally of said members, having a beveled-edgev elongated aperture contiguous to each of-the gripping devices the edge of such apertures being adapted upon movement in opposite directions alternatelyto' intervene between the gripping devices and the movable member whereby the gripping device on one incline will be removed out of contact'with the movable member while the gripping device on the opposite incline remains in gripping contact. v
4. The combination with a tubular member, of another member arranged within the s'ame,one' member being movable longitudinally with regard to the other, an inclined surface near each end of one of said members, a plurality of grippingdevices arranged intermediate each inclined ;face and the surface of the other member and substantiallyencircling the inner member, means adapted normally to maintain each set of said gripping devices iii-engagement with the movable member to prevent movement thereof, and operating means adapted on movement in opposite directions alternately to remove and maintain one set of gripping devices out of contact with the movable member but to leave the other set of gripping devices in gripping engagement therewith.
In witness whereof, I have signed 'my name to the foregoingspecification in the presence of two subscribing witnesses.
MAXJFI. FISCHER;
Witnesses:
H; R. BAUER, Jos. F. OBRIEN.
US34727006A 1906-12-11 1906-12-11 Gripping device for rods, tubes, and the like. Expired - Lifetime US1031637A (en)

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Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514760A (en) * 1948-09-02 1950-07-11 George G Hanson Gripping tool
US2539223A (en) * 1946-03-29 1951-01-23 Harry L Stillman Drill guide
US2578663A (en) * 1945-06-23 1951-12-18 Beaupre Arthur Fishing rod
US2622309A (en) * 1948-05-21 1952-12-23 Allis Chalmers Mfg Co Device for filing the slots of laminated cores
US2640242A (en) * 1949-04-27 1953-06-02 William C Weimer Adjustable buckle for the body of artificial limbs
US2705119A (en) * 1949-12-06 1955-03-29 Ridge Tool Co Pipe support stand
US2711918A (en) * 1951-05-19 1955-06-28 Chisholm Ryder Co Inc Telescopic antenna
US2744436A (en) * 1953-03-23 1956-05-08 Milburn M Ross Fastener with pivoted rod engaging dogs
US2812200A (en) * 1955-05-16 1957-11-05 Yeargan Ervin Beauregard Means to attach a ring to pipe
US2838266A (en) * 1954-11-01 1958-06-10 Cameron W Sparks Adjustable strut
US2871949A (en) * 1956-01-20 1959-02-03 Baker Oil Tools Inc Releasable clutch device for well tools
US2878878A (en) * 1956-01-20 1959-03-24 Baker Oil Tools Inc Clutch for subsurface well tools
US2925837A (en) * 1954-05-13 1960-02-23 Harry G Twiford Tire mounting stand with rotatable wheel support
US2932481A (en) * 1954-06-15 1960-04-12 Breer Bipod camera support
US2990747A (en) * 1958-03-07 1961-07-04 Aerpat Ag Ball detent fastener having pin movable to unlocked position by movement of actuator in either axial direction
US3008742A (en) * 1959-10-21 1961-11-14 Goldstein Arnold Expandible pole lamp
US3019502A (en) * 1958-07-23 1962-02-06 Henry J Frost Locking device for oil well drill rods or pipes
US3023434A (en) * 1957-12-06 1962-03-06 Plastic Binding Corp Binding machine
US3059970A (en) * 1960-02-01 1962-10-23 White S Dental Mfg Co Chairs having tilting backs
US3204925A (en) * 1962-05-15 1965-09-07 Montuori Enrico Valve with nonrotating valve stem
US3215974A (en) * 1963-01-22 1965-11-02 Consarc Corp Electrode stub clamp
US3252180A (en) * 1963-06-26 1966-05-24 Houk Machine Co Adjustable grip for ejector mechanism in an injection mold
US3252718A (en) * 1963-02-05 1966-05-24 Fmc Corp Hanger bushing
US3293347A (en) * 1965-10-24 1966-12-20 Consarc Corp Electrode stub clamp
US3298257A (en) * 1965-08-27 1967-01-17 James W Goss Wire clamping hand grip
US3318170A (en) * 1965-08-05 1967-05-09 Bendix Corp No-lash axially movable steering column
US3502358A (en) * 1968-05-17 1970-03-24 Claypool Aluminum Products Inc Adjustable post assembly
US3516304A (en) * 1968-09-12 1970-06-23 Howard H Vermette Safety catch mechanism
US3835486A (en) * 1972-08-14 1974-09-17 Inter Royal Corp Telescoping novel stand assembly
US3871780A (en) * 1972-11-03 1975-03-18 Skillingaryds Mekaniska Ab Device for locking two concentrically positioned and axially displaceable members
US3991964A (en) * 1974-12-10 1976-11-16 Evan John And Sons (Kenfig Hill) Limited Self-locking device for telescopic props
US4030579A (en) * 1975-03-26 1977-06-21 Picker X-Ray Mfg. Limited Lineal lock for X-ray apparatus
US4105097A (en) * 1976-06-23 1978-08-08 Gebr. Hofmann Gmbh & Co. Kg, Maschinenfabrik Lift, especially two-post lift for motor vehicles
DE2844239A1 (en) * 1978-10-11 1980-04-17 Messerschmitt Boelkow Blohm Component joint for missile sections - has grooves in spigot and socket together forming annular chamber for locking balls
US4278224A (en) * 1977-06-30 1981-07-14 Arakawa, Co. Ltd. Wedging action fixture
USRE30718E (en) * 1978-12-14 1981-08-25 Rockwell International Corporation Saddle lockup for flexible printing plate
US4291416A (en) * 1979-03-12 1981-09-22 Hoeptner Herbert W Iii Chain tensioner
US4457741A (en) * 1979-03-12 1984-07-03 Hoeptner Iii Herbert W Tensioner
US4540201A (en) * 1983-05-16 1985-09-10 Tuthill Corporation Tube connector
US5829811A (en) * 1995-08-03 1998-11-03 Skinner, Ii; Frank Raymand Multiposition locking gripper assembly
DE19809078A1 (en) * 1998-03-04 1999-09-16 Schaeffler Waelzlager Ohg In particular linear acting locking mechanism
US6065897A (en) * 1998-02-12 2000-05-23 E & E Engineering, Inc. Roller locking mechanisms
US6354227B1 (en) 2000-01-11 2002-03-12 Steelcase Development Corporation Adjustable table with worksurface having write-on surface adapted for use as projection screen
ES2169982A1 (en) * 2000-02-04 2002-07-16 Univ Catalunya Politecnica External block system between two prismatic or cylindrical surfaces with continuous position regulation
US20050160881A1 (en) * 1999-09-17 2005-07-28 Weatherford/Lamb, Inc. Gripping or clamping mechanisms
US20050224669A1 (en) * 2004-04-12 2005-10-13 Chin-Chih Lin Suspension arm
US20090050279A1 (en) * 2007-08-24 2009-02-26 Seiko Epson Corporation Screen
US20110023251A1 (en) * 2007-04-03 2011-02-03 Johnsondiversey, Inc. Mop head fixation device and method
EP2314826A1 (en) * 1999-09-17 2011-04-27 Weatherford Lamb, Inc. Gripping device and jaw assembly for gripping a wellbore tubular
DE102012214509A1 (en) * 2012-05-10 2013-11-14 Continental Teves Ag & Co. Ohg Device for e.g. providing air clearance between brake lining and brake disk of electromechanical service brake in motor car, has ring element allowing balls to be moved away or inclined from ring in released position of ring element
USD719712S1 (en) 2012-09-07 2014-12-16 Diversey, Inc. Floor maintenance tool
CN109505891A (en) * 2018-11-08 2019-03-22 鲁班嫡系机器人（深圳）有限公司 A kind of brake gear, moving parts and automation equipment
DE102022201101B3 (en) 2022-02-02 2022-07-21 Thyssenkrupp Ag Steering column for a motor vehicle

Cited By (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2578663A (en) * 1945-06-23 1951-12-18 Beaupre Arthur Fishing rod
US2539223A (en) * 1946-03-29 1951-01-23 Harry L Stillman Drill guide
US2622309A (en) * 1948-05-21 1952-12-23 Allis Chalmers Mfg Co Device for filing the slots of laminated cores
US2514760A (en) * 1948-09-02 1950-07-11 George G Hanson Gripping tool
US2640242A (en) * 1949-04-27 1953-06-02 William C Weimer Adjustable buckle for the body of artificial limbs
US2705119A (en) * 1949-12-06 1955-03-29 Ridge Tool Co Pipe support stand
US2711918A (en) * 1951-05-19 1955-06-28 Chisholm Ryder Co Inc Telescopic antenna
US2744436A (en) * 1953-03-23 1956-05-08 Milburn M Ross Fastener with pivoted rod engaging dogs
US2925837A (en) * 1954-05-13 1960-02-23 Harry G Twiford Tire mounting stand with rotatable wheel support
US2932481A (en) * 1954-06-15 1960-04-12 Breer Bipod camera support
US2838266A (en) * 1954-11-01 1958-06-10 Cameron W Sparks Adjustable strut
US2812200A (en) * 1955-05-16 1957-11-05 Yeargan Ervin Beauregard Means to attach a ring to pipe
US2871949A (en) * 1956-01-20 1959-02-03 Baker Oil Tools Inc Releasable clutch device for well tools
US2878878A (en) * 1956-01-20 1959-03-24 Baker Oil Tools Inc Clutch for subsurface well tools
US3023434A (en) * 1957-12-06 1962-03-06 Plastic Binding Corp Binding machine
US2990747A (en) * 1958-03-07 1961-07-04 Aerpat Ag Ball detent fastener having pin movable to unlocked position by movement of actuator in either axial direction
US3019502A (en) * 1958-07-23 1962-02-06 Henry J Frost Locking device for oil well drill rods or pipes
US3008742A (en) * 1959-10-21 1961-11-14 Goldstein Arnold Expandible pole lamp
US3059970A (en) * 1960-02-01 1962-10-23 White S Dental Mfg Co Chairs having tilting backs
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